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Finding the Fourth Proportional to 604,956.52, 906,802.78 and 225,712.36

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Solution

The fourth proportional to 604,956.52, 906,802.78 and 225,712.36 is: 338,332.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,956.52 : 906,802.78 = 225,712.36 : x
  2. Step 2: Convert to fraction form
    604,956.52/906,802.78 = 225,712.36/x
  3. Step 3: Cross multiply
    604,956.52x = 906,802.78 × 225,712.36
  4. Step 4: Simplify right side
    604,956.52x = 204,676,595,528.36
  5. Step 5: Solve for x
    x = 204,676,595,528.36/604,956.52
  6. Step 6: Final answer
    x = 338,332.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.